package chapter02;

class Example04 {
    public static void main (String[] args) {
        int x = 12;//定义变量x
        {
            int y = 96;//定义变量y
            System.out.print("x is " + x);//访问变量x
            System.out.print("y is " + y);//访问变量y
        }
        // y = x;//访问变量x，为变量y赋值
        System.out.println("x is " + x);//访问变量x
    }
}